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I've never had a thread issue with brembo's. I did receive one small bearing brembo rotor damaged somehow in manufacturing or transit that had a massive crack running accross the rotor surface...

Interesting that a washer bottle is a lightning rod item...On a drying track, I've found the ability to wash the grime off my windshield a great advantage...And on rain days, the wipers and defroster...

A couple more great racing books:
"Touch Wood"--autobiography Duncan Hamilton (who?)--who raced Jaguars in European endurance races in the 50's. A different era in racing, and a good book. Some...

Hi David-
Not looking for an argument, just voicing a difference of opinion. And to a very large extent, yes, we are saying the same thing.
My definition of 'high speed compression' is anything...

RSportVolvo-
I agree with your bottom line, but disagree with your reasoning on the high speed/low speed part. Recall that high speed or low speed refers to the damper controlling either chassis...

Without the rule book in front of me, I believe roll cages are required to use the same size tubing everywhere. The sleeves will fall foul of that. Will anyone care? I doubt it.
Personally I do...

Many years ago, I got to play with some fairly sophisticated lap simulation software. We broke car performance into 3 categories: weight, power, and grip.
Grip was, by far, the most important...

A crude rule of thumb has always been to run the engine between the torque peak and the HP peak.
Since you have HP peak @ rpm, you have the torque at that rpm (torque = HP*5250/rpm).
I suspect a...

The way to look at torque properly is to graph wheel torque vs miles per hour for all gears, then take the area under the combined curve from say 25mph to 125mph...(appropriate race speeds for car...

Hi Jake-
I just don't see the point in RR for a DA shock (The mechanical engineer in me speaking). Even if there is not a 3rd (or 4th) external adjustment, an RR shock is capable of superior low...

Jake, David, Josh, and others,
On re-reading my post, it comes accross as rather insulting...wasn't meant to be that way.
I really do believe the philosophy of the class needs to remain limited...

Um, this is IT folks. Entry level class. 6 -30 year old chassis with 8 point cages that can't properly stiffen a chassis. DOT tires.
If you can afford all the testing, chassis development, tire...

Further headaches--it looks like the main hoop diagonal and cross tube are a different diameter than the main hoop. Those are all required to be the same size.
I'll second the comments on the...

I'm contemplating a toy hauler so the family can come out for the race weekends. Does anyone have one? What are your likes and dislikes? Lessons learned?
Tag or 5th?

Thanks

Tak
#29 ITA,...

I race at Laguna Seca, Thunder Hill, and Sears Point (infinion for the blasphemous). Laguna is brutal on brakes, T-hill is hard on brakes, and Sears is moderate.
Yes, getting the rear brakes...

What do you mean 'chewing' through rotors? Running blue's I always end up with cracked rotors after 3 or 4 weekends with virtually no wear on the rotor. What are you guys seeing? Which Carbotech...

Whoops, must qualify my previous response--all that applies to a rear wheel drive car. I haven't got the foggiest about setting up a front driver. I expect you still need to get the inside drive...

Pro's of a welded diff: Cheap. Almost as fast as a fancy diff IF the car is set up right. You'll never lock up just one rear tire...
Con's: Properly set up cars for a welded rear end will wear...

If I recall correctly, a lot of cars that were eligible in the early days of IT had air conditioning as a dealer installed option. Makes sense to allow it's removal, since policing what is dealer vs...

The price of fuel is a serious consideration. I know several national racers that are skipping long tows because the cost of fuel is prohibitive...The tow fund might cover fuel to the runnofs, but...

"bedding" in the brakes is a bit of a misnomer. Getting the brakes to match the contour of the rotor is not terribly important (assuming you have good rotors on your race car!). What IS important...

I am puzzled at the accounting for torque comments. The correct process is straight forward but tedious. You need torque vs RPM data, you need the gear ratios (including final drive) and you need...

Good conversation, and an example of what is wrong with the SCCA rules process. The conservative interpretation of the GCR tells us that it is legal to take a lower trailing arm/traction bar from a...

Weber DGV main jets work perfectly in the Nikki carb. The number convention even matches the original jet numbering convention.
I bought my collection from Pierce Manifolds
...

Thanks for the link Tom. Looks promising. Now I just need to dust off my spring rate equations to figure out what length to cut them off at!

Tak